dlls/fusion/fusion.c

   1 /*
   2  * Implementation of the Fusion API
   3  *
   4  * Copyright 2008 James Hawkins
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "ole2.h"
  29 #include "fusion.h"
  30 #include "wine/debug.h"
  31 #include "wine/unicode.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(fusion);
  34
  35
  36 /******************************************************************
  37  *  InitializeFusion   (FUSION.@)
  38  */
  39 HRESULT WINAPI InitializeFusion(void)
  40 {
  41     FIXME("\n");
  42     return E_NOTIMPL;
  43 }
  44
  45 /******************************************************************
  46  *  ClearDownloadCache   (FUSION.@)
  47  */
  48 HRESULT WINAPI ClearDownloadCache(void)
  49 {
  50     FIXME("stub!\n");
  51     return E_NOTIMPL;
  52 }
  53
  54 /******************************************************************
  55  *  CreateInstallReferenceEnum   (FUSION.@)
  56  */
  57 HRESULT WINAPI CreateInstallReferenceEnum(IInstallReferenceEnum **ppRefEnum,
  58                                           IAssemblyName *pName, DWORD dwFlags,
  59                                           LPVOID pvReserved)
  60 {
  61     FIXME("(%p, %p, %08x, %p) stub!\n", ppRefEnum, pName, dwFlags, pvReserved);
  62     return E_NOTIMPL;
  63 }
  64
  65 /******************************************************************
  66  *  CreateApplicationContext   (FUSION.@)
  67  */
  68 HRESULT WINAPI CreateApplicationContext(IAssemblyName *name, void *ctx)
  69 {
  70     FIXME("%p, %p\n", name, ctx);
  71     return E_NOTIMPL;
  72 }
  73
  74 static HRESULT (WINAPI *pGetCORVersion)(LPWSTR pbuffer, DWORD cchBuffer,
  75                                         DWORD *dwLength);
  76
  77 static HRESULT get_corversion(LPWSTR version, DWORD size)
  78 {
  79     HMODULE hmscoree;
  80     HRESULT hr;
  81     DWORD len;
  82
  83     hmscoree = LoadLibraryA("mscoree.dll");
  84     if (!hmscoree)
  85         return E_FAIL;
  86
  87     pGetCORVersion = (void *)GetProcAddress(hmscoree, "GetCORVersion");
  88     if (!pGetCORVersion)
  89         hr = E_FAIL;
  90     else
  91         hr = pGetCORVersion(version, size, &len);
  92
  93     FreeLibrary(hmscoree);
  94     return hr;
  95 }
  96
  97 /******************************************************************
  98  *  GetCachePath   (FUSION.@)
  99  */
 100 HRESULT WINAPI GetCachePath(ASM_CACHE_FLAGS dwCacheFlags, LPWSTR pwzCachePath,
 101                             PDWORD pcchPath)
 102 {
 103     static const WCHAR assembly[] = {'\\','a','s','s','e','m','b','l','y',0};
 104     static const WCHAR gac[] = {'\\','G','A','C',0};
 105     static const WCHAR nativeimg[] = {'N','a','t','i','v','e','I','m','a','g','e','s','_',0};
 106     static const WCHAR dotnet[] = {'\\','M','i','c','r','o','s','o','f','t','.','N','E','T',0};
 107 #ifdef _WIN64
 108     static const WCHAR zapfmt[] = {'%','s','\\','%','s','\\','%','s','%','s','_','6','4',0};
 109 #else
 110     static const WCHAR zapfmt[] = {'%','s','\\','%','s','\\','%','s','%','s','_','3','2',0};
 111 #endif
 112     WCHAR path[MAX_PATH], windir[MAX_PATH], version[MAX_PATH];
 113     DWORD len;
 114     HRESULT hr = S_OK;
 115
 116     TRACE("(%08x, %p, %p)\n", dwCacheFlags, pwzCachePath, pcchPath);
 117
 118     if (!pcchPath)
 119         return E_INVALIDARG;
 120
 121     len = GetWindowsDirectoryW(windir, MAX_PATH);
 122     strcpyW(path, windir);
 123
 124     switch (dwCacheFlags)
 125     {
 126         case ASM_CACHE_ZAP:
 127         {
 128             hr = get_corversion(version, MAX_PATH);
 129             if (FAILED(hr))
 130                 return hr;
 131
 132             len = sprintfW(path, zapfmt, windir, assembly + 1, nativeimg, version);
 133             break;
 134         }
 135         case ASM_CACHE_GAC:
 136         {
 137             strcpyW(path + len, assembly);
 138             len += sizeof(assembly)/sizeof(WCHAR) - 1;
 139             strcpyW(path + len, gac);
 140             len += sizeof(gac)/sizeof(WCHAR) - 1;
 141             break;
 142         }
 143         case ASM_CACHE_DOWNLOAD:
 144         {
 145             FIXME("Download cache not implemented\n");
 146             return E_FAIL;
 147         }
 148         case ASM_CACHE_ROOT:
 149             strcpyW(path + len, assembly);
 150             len += sizeof(assembly)/sizeof(WCHAR) - 1;
 151             break;
 152         case ASM_CACHE_ROOT_EX:
 153             strcpyW(path + len, dotnet);
 154             len += sizeof(dotnet)/sizeof(WCHAR) - 1;
 155             strcpyW(path + len, assembly);
 156             len += sizeof(assembly)/sizeof(WCHAR) - 1;
 157             break;
 158         default:
 159             return E_INVALIDARG;
 160     }
 161
 162     len++;
 163     if (*pcchPath <= len || !pwzCachePath)
 164         hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 165     else if (pwzCachePath)
 166         strcpyW(pwzCachePath, path);
 167
 168     *pcchPath = len;
 169     return hr;
 170 }